package likou;

/**
 * @author: 唐小尊
 * @email: 1171702529@qq.com
 * @cate: 2021/09/03 08:22
 */
public class _730 {

    public int countPalindromicSubsequences(String s) {
        int i = 10 ^ 9 + 7;
        return i;
    }
}
